at the debate last night? what we learned today behind the scenes is fascinating and had the election changed? also the new series about navigating the economy. how you can make a lot more money if you want to sell a family car. watch. we help double the value after abc >>> a question many people fighting to lose weight may want to ask. am i addicted to food? a new book seeks to answer that question and solve a problem. and abc's juju chang talked about her steps. >> kara admits whit came to food she was powerless. >> i would get wings, waffle fries with cheese and gravy. >> 22 and 316 pounds she decided to go on biggest loser. and lost 155 pounds. but soon, weight came back. she realized she was a food addict. dr. pete's new book describes how food is like a drug. >> how could a cupcake have the same qualities as cocaine. >> a combination of sugary, salty, fatty foods you're secreting lots of dopamine giving you a fantastic feeling of wow this, is wonder oofl for some people, pleasure receptors turn off, for